1pcr Summary

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STRUCTURE OF THE PHOTOSYNTHETIC REACTION CENTRE FROM RHODOBACTER SPHAEROIDES AT 2.65 ANGSTROMS RESOLUTION: COFACTORS AND PROTEIN-COFACTOR INTERACTIONS

The structure was published by Ermler, U., Fritzsch, G., Buchanan, S.K., and Michel, H., in 1994 in a paper entitled "Structure of the photosynthetic reaction centre from Rhodobacter sphaeroides at 2.65 A resolution: cofactors and protein-cofactor interactions." (abstract).

This crystal structure was determined using X-ray diffraction at a resolution of 2.65 Å and deposited in 1994.

The experimental data on which the structure is based was not deposited.

This PDB entry contains a complex of 3 biomacromolecules, namely PHOTOSYNTHETIC REACTION CENTER.

It also contains one or more heterogenic compounds (e.g., ligands, co-factors, ions, modified amino acids, etc.); see here for a complete list.

The molecule most likely forms heterotrimers.

The following tables show cross-reference information to other databases (to obtain a list of all PDB entries sharing the same property or classification, click on the magnifying glass icon):


Chain Name UniProt Name of source organism % of UniProt sequence present in the sample Residues in the sample molecules % of residues observed
L PHOTOSYNTHETIC REACTION CENTER P0C0Y8 (2-282) (RCEL_RHOSH)search Rhodobacter sphaeroidessearch 94% 281 100%
M PHOTOSYNTHETIC REACTION CENTER P0C0Y9 (2-308) (RCEM_RHOSH)search Rhodobacter sphaeroidessearch 96% 307 98%
H PHOTOSYNTHETIC REACTION CENTER P0C0Y7 (1-260) (RCEH_RHOSH)search Rhodobacter sphaeroidessearch 91% 260 92%


This entry contains 3 unique UniProt proteins:

UniProt accession Name Organism PDB
P0C0Y8 (2 - 282) PHOTOSYNTHETIC REACTION CENTER Rhodobacter sphaeroides
P0C0Y9 (2 - 308) PHOTOSYNTHETIC REACTION CENTER Rhodobacter sphaeroides
P0C0Y7 (1 - 260) PHOTOSYNTHETIC REACTION CENTER Rhodobacter sphaeroides

Chain Structural classification (SCOP) Structural classification (CATH) Sequence family (Pfam)
L (P0C0Y8) Bacterial photosystem II reaction centre, L and M subunitssearch Membrane spanning alpha-helix pairssearch PF00124: Photosynthetic reaction centre proteinsearch
M (P0C0Y9) Bacterial photosystem II reaction centre, L and M subunitssearch Membrane spanning alpha-helix pairssearch PF00124: Photosynthetic reaction centre proteinsearch
H (P0C0Y7) Photosynthetic reaction centre, H-chain, cytoplasmic domainsearch, Photosystem II reaction centre subunit H, transmembrane regionsearch Photosynthetic Reaction Center, subunit H, domain 1search, Photosynthetic Reaction Center, subunit H, domain 2search PF03967: Photosynthetic reaction centre, H-chain N-terminal regionsearch, PF05239: PRC-barrel domainsearch

Chain ID Biological process (GO) Molecular function (GO) Cellular component (GO)
L (P0C0Y8) photosynthesissearch oxidation-reduction processsearch protein-chromophore linkagesearch bacteriochlorophyll bindingsearch metal ion bindingsearch chlorophyll bindingsearch plasma membrane-derived chromatophore membranesearch integral component of membranesearch membranesearch
M (P0C0Y9) oxidation-reduction processsearch photosynthesissearch protein-chromophore linkagesearch metal ion bindingsearch chlorophyll bindingsearch bacteriochlorophyll bindingsearch integral component of membranesearch membranesearch plasma membrane-derived chromatophore membranesearch
H (P0C0Y7) protein-chromophore linkagesearch oxidation-reduction processsearch photosynthesissearch chlorophyll bindingsearch bacteriochlorophyll bindingsearch membranesearch integral component of membranesearch plasma membrane-derived chromatophore membranesearch

Chain InterPro annotation
L Photosynthetic reaction centre, L/Msearch Photosynthetic reaction centre, L subunitsearch
M Photosynthetic reaction centre, L/Msearch Photosynthetic reaction centre, M subunitsearch
H Photosynthetic reaction centre, H subunitsearch PRC-barrel-likesearch Bacterial photosynthetic reaction centre, H-chain, C-terminalsearch Photosynthetic reaction centre, H subunit, N-terminalsearch PRC-barrel domainsearch